Pro Lift T-6906 six ton jack stand, with its sturdy stamped steel construction, is ideal for auto, truck service, farm and shop use. Designed to support a load once it is lifted, the ratchet bar is built from high quality cast ductile iron providing extra strength and durability. The Pro Lift T-6906 also features a height adjustment mechanism to allow smooth upward movement. A release handle locks into position. Lift range is 15-3/8 x 24-7/8 inches.